Tools: Add K8s monitoring cluster

This patch adds k8s monitoring cluster deployment using ansible for
both client and server side. Also adds scripts (ansible roles) to clean
(remove) the K8S cluster completely.

Signed-off-by: Aditya Srivastava <adityasrivastava301199@gmail.com>
Change-Id: I1115869c0a3e72a20047b31994f3d27e5fdae6c6

1 files changed, 65 insertions, 0 deletions

diff --git a/tools/lma/ansible-server/roles/clean-k8s-pre/tasks/main.yml b/tools/lma/ansible-server/roles/clean-k8s-pre/tasks/main.yml
new file mode 100644
index 00000000..6d12bd5f
--- /dev/null
+++ b/tools/lma/ansible-server/roles/clean-k8s-pre/tasks/main.yml
@@ -0,0 +1,65 @@
+# Copyright 2020 Adarsh yadav, Aditya Srivastava
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+
+#Uninstalling K8s
+- name: Uninstalling K8s
+  yum:
+   name: ['kubeadm', 'kubectl', 'kubelet', 'docker-ce']
+   state: absent
+
+#Enabling Swap
+- name: Enabling Swap on all nodes
+  shell: swapon -a
+  ignore_errors: yes
+
+#Uncommenting Swap entries
+- name: Uncommenting Swap entries in /etc/fstab
+  replace:
+   path: /etc/fstab
+   regexp: '^# /(.*swap.*)'
+   replace: '\1'
+
+
+#Starting firewalld
+- name: 'Starting firewall'
+  service:
+   name: firewalld
+   state: started
+   enabled: yes
+
+# Enabling SELinux
+- name: Enabling SELinux on all nodes
+  shell: |
+    setenforce 1
+    sudo sed -i 's/^SELINUX=permissive$/SELINUX=enforcing/' /etc/selinux/config
+
+#removing Docker repo
+- name: removing Docker repo
+  command: yum-config-manager --disable docker-ce-stable
+
+#removing K8s repo
+- name: removing repository details in Kubernetes repo file.
+  blockinfile:
+   path: /etc/yum.repos.d/kubernetes.repo
+   state: absent
+   block: |
+    [kubernetes]
+    name=Kubernetes
+    baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
+    enabled=1
+    gpgcheck=1
+    repo_gpgcheck=1
+    gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
+      https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg